Max starts on the 20th floor of a building and takes the elevator
4 floors down. Then he takes the
elevator up 3 floors, and then down
another 5 floors. Write the absolute
value of the greatest change in
floors that Max made

Which problem could be  solved  by evaluating the expression  7×(−3)7×-3?

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.